This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 136 |
| 2 | 261 |
| 3 | 295 |
| 4 | 493 |
| 5 | 1218 |
| 6 | 1576 |
| 7 | 15976 |
| 8 | 159976 |
| 9 | 715381 |
| 10 | 717181 |
| 11 | 746341 |
| 12 | 987109 |
| 13 | 1585576 |
| 14 | 5989003 |
| 15 | 13390567 |
| 16 | 14400136 |
| 17 | 19326607 |
| 18 | 78753211 |
| 19 | 144144136 |
| 20 | 145454536 |
| 21 | 158401576 |
| 22 | 275675661 |
| 23 | 713791681 |
| 24 | 737098261 |
| 25 | 1440000136 |
| 26 | 1441584136 |
| 27 | 1454414536 |
| 28 | 1455998536 |